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<div class="header">
  <div class="headertitle"><div class="title">distance_functions.h</div></div>
</div><!--header-->
<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/******************************************************************************</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * @file     distance_functions.h</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> * @brief    Public header file for CMSIS DSP Library</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * @version  V1.10.0</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * @date     08 July 2021</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * Target Processor: Cortex-M and Cortex-A cores</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> ******************************************************************************/</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment">/*</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> * Copyright (c) 2010-2020 Arm Limited or its affiliates. All rights reserved.</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * SPDX-License-Identifier: Apache-2.0</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> *</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the License); you may</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * not use this file except in compliance with the License.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * You may obtain a copy of the License at</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> *</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"> * www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment"> *</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"> * Unless required by applicable law or agreed to in writing, software</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="comment"> * distributed under the License is distributed on an AS IS BASIS, WITHOUT</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="comment"> * See the License for the specific language governing permissions and</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="comment"> * limitations under the License.</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="comment"> */</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#ifndef _DISTANCE_FUNCTIONS_H_</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span><span class="preprocessor">#define _DISTANCE_FUNCTIONS_H_</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span><span class="preprocessor">#include &quot;arm_math_types.h&quot;</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span><span class="preprocessor">#include &quot;arm_math_memory.h&quot;</span></div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="preprocessor">#include &quot;dsp/none.h&quot;</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="preprocessor">#include &quot;dsp/utils.h&quot;</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span> </div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="preprocessor">#include &quot;dsp/statistics_functions.h&quot;</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="preprocessor">#include &quot;dsp/basic_math_functions.h&quot;</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="preprocessor">#include &quot;dsp/fast_math_functions.h&quot;</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="preprocessor">#include &quot;dsp/matrix_functions.h&quot;</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="preprocessor">#ifdef   __cplusplus</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="keyword">extern</span> <span class="stringliteral">&quot;C&quot;</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span>{</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span> </div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment">/* 6.14 bug */</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="preprocessor">#if defined (__ARMCC_VERSION) &amp;&amp; (__ARMCC_VERSION &gt;= 6100100) &amp;&amp; (__ARMCC_VERSION &lt; 6150001)</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span> </div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>__attribute__((weak)) <span class="keywordtype">float</span> __powisf2(<span class="keywordtype">float</span> a, <span class="keywordtype">int</span> b);</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span> </div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="preprocessor">#endif </span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span>float32_t arm_euclidean_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span> </div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>float64_t arm_euclidean_distance_f64(<span class="keyword">const</span> float64_t *pA,<span class="keyword">const</span> float64_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>float32_t arm_braycurtis_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span>float32_t arm_canberra_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span> </div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span>float32_t arm_chebyshev_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span>float64_t arm_chebyshev_distance_f64(<span class="keyword">const</span> float64_t *pA,<span class="keyword">const</span> float64_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span> </div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span>float32_t arm_cityblock_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span></div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>float64_t arm_cityblock_distance_f64(<span class="keyword">const</span> float64_t *pA,<span class="keyword">const</span> float64_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>float32_t arm_correlation_distance_f32(float32_t *pA,float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span> </div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>float32_t arm_cosine_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span></div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span> </div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span>float64_t arm_cosine_distance_f64(<span class="keyword">const</span> float64_t *pA,<span class="keyword">const</span> float64_t *pB, uint32_t blockSize);</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span> </div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span>float32_t arm_jensenshannon_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB,uint32_t blockSize);</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span> </div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span> </div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span>float32_t arm_minkowski_distance_f32(<span class="keyword">const</span> float32_t *pA,<span class="keyword">const</span> float32_t *pB, int32_t order, uint32_t blockSize);</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span> </div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>float32_t arm_dice_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span>float32_t arm_hamming_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span> </div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span>float32_t arm_jaccard_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span> </div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span>float32_t arm_kulsinski_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span></div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span> </div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span>float32_t arm_rogerstanimoto_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span> </div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span>float32_t arm_russellrao_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span> </div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span>float32_t arm_sokalmichener_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span> </div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span>float32_t arm_sokalsneath_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span>float32_t arm_yule_distance(<span class="keyword">const</span> uint32_t *pA, <span class="keyword">const</span> uint32_t *pB, uint32_t numberOfBools);</div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span> </div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="keyword">typedef</span> <span class="keyword">enum</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span>  {</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span>    ARM_DTW_SAKOE_CHIBA_WINDOW = 1,</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span>    <span class="comment">/*ARM_DTW_ITAKURA_WINDOW = 2,*/</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>    ARM_DTW_SLANTED_BAND_WINDOW = 3</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>  } arm_dtw_window;</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span>arm_status arm_dtw_init_window_q7(<span class="keyword">const</span> arm_dtw_window windowType,</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span>                                  <span class="keyword">const</span> int32_t windowSize,</div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>                                  <a class="code hl_struct" href="structarm__matrix__instance__q7.html">arm_matrix_instance_q7</a> *pWindow);</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span></div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span>arm_status arm_dtw_distance_f32(<span class="keyword">const</span> <a class="code hl_struct" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> *pDistance,</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>                               <span class="keyword">const</span> <a class="code hl_struct" href="structarm__matrix__instance__q7.html">arm_matrix_instance_q7</a> *pWindow,</div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span>                               <a class="code hl_struct" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> *pDTW,</div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span>                               float32_t *distance);</div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span> </div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span> </div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="keywordtype">void</span> arm_dtw_path_f32(<span class="keyword">const</span> <a class="code hl_struct" href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a> *pDTW,</div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span>                      int16_t *pPath,</div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span>                      uint32_t *pathLength);</div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="preprocessor">#ifdef   __cplusplus</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span>}</div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span><span class="preprocessor">#endif </span><span class="comment">/* ifndef _DISTANCE_FUNCTIONS_H_ */</span><span class="preprocessor"></span></div>
<div class="ttc" id="astructarm__matrix__instance__f32_html"><div class="ttname"><a href="structarm__matrix__instance__f32.html">arm_matrix_instance_f32</a></div><div class="ttdoc">Instance structure for the floating-point matrix structure.</div><div class="ttdef"><b>Definition</b> arm_math.h:2399</div></div>
<div class="ttc" id="astructarm__matrix__instance__q7_html"><div class="ttname"><a href="structarm__matrix__instance__q7.html">arm_matrix_instance_q7</a></div><div class="ttdoc">Instance structure for the Q7 matrix structure.</div><div class="ttdef"><b>Definition</b> matrix_functions.h:139</div></div>
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